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HomeMy WebLinkAbout20030742 Ver 1_Complete File_20030618?OF WA7F9o Michael F. Easley, Governor William G. Ross Jr., Secretary ?O G North Carolina Department of Environment and Natural Resources r Alan W. Klimek, P.E. Director Division of Water Quality o -c DWQ Project No.: oZ O0 3 0 7 ya County: 2o We l? Applicant: /V C 120 T Project Name: Lp Date of Issuance of 401 Water Quality Certification: 7 _23 / 2oa3 Certificate of Completion Upon completion of all work approved within the 401 Water Quality Certification or applicable Buffer Rules, and any subsequent modifications, the applicant is required to return this certificate to the 401/Wetlands Unit, North Carolina Division of Water Quality, 1650 Mail Service Center, Raleigh, NC, 27699-1650. This form may be returned to DWQ by the applicant, the applicant's authorized agent, or the project engineer. It is not necessary to send certificates from all of these. Applicant's Certifications / hereby state that, to the best of my abilities, due care and diligence was used in the observation of the construction such that the construction was observed to be built within substantial complianre and intent of the 401 Water Quality Certification and Buffer Rules, the app pla p ations, and other suppo ater' s. Signature: Date: i Agent's Certification I, , hereby state that, to the best of my abilities, due care and diligence was used in the observation of the construction such that the construction was observed to be built within substantial compliance and intent of the 401 Water Quality Certification and Buffer Rules, the approved plans and specifications, and other supporting materials. Signature: Date: If this project was designed by a Certified Professional I, , as a duly registered Professional (i.e., Engineer, Landscape Architect, Surveyor, etc.) in the State of North Carolina, having been authorized to observe (periodically, weekly, full time) the construction of the project, for the Permitee hereby state that, to the best of my abilities, due care and diligence was used in the observation of the construction such that the construction was observed to be built within substantial compliance and intent of the 401 Water Quality Certification and Buffer Rules, the approved plans and specifications, and other supporting materials. Signature Registration No. Date Ih North Carolina Division of Water Quality, 401 Wetlands Certification Unit, 1650 Mail Service Center, Raleigh, NC 27699-1650 (Mailing Address) 2321 Crabtree Blvd., Raleigh, NC 27604-2260 (Location) 919-733-1786 (phone), 919-733-6893 (fax), hftp://h2o.enr.state.nc.us/ncwetlands/ t _- x µSUTEv ?V d yvoq ®?p742 PILE COPY STATE of NORTH CAROLINA DEPARTMENT OF TRANSPORTATION MICHAEL F. EASLEY LYNDO TIPPETT GOVERNOR SECRETARY PO BOX 3279, ASHEVILLE, NC 28802 June 12, 2003 Mr. Steve Lund US Army Corps of Engineers 151 Patton Avenue, Room 208 Asheville, NC 28801-5006 Subject: Nationwide Permit #14 ZMAD / 4 1 GA P JUN 2003 SR 1796, Marlow Loop Road State Project No. 13C.059006(DWQ Minor Permit Fee $200) McDowell County, NC Dear Mr. Lund: I have enclosed a straight-line diagram with erosion control plan, a PCN application for NWP #14, and a vicinity map relative to the proposed project on SR 1796, Marlow Loop Road, McDowell County, NC. Marlow Loop Road is currently a 16-18 feet wide gravel road. Division of Highways plans to pave the road 18 feet wide and increase the typical section. Grading will be light. We propose to extend one existing culvert on an UT to North Muddy Creek. Total culvert extension will be 20 linear feet. No stream relocation will be performed for the project. Existing channel morphology will be maintained upstream and downstream of the culvert. The culvert will be placed below existing streambed elevation. Riparian vegetation will be reestablished along disturbed areas associated with the culvert extension. Stormwater will be diverted through grass-lined ditches or vegetated buffers prior to entering streams. No significant effect on federally listed species (threatened or endangered) or their habitats is anticipated. As a part of the 401 Certification process, a copy of the application will be forwarded to the NC State Historic Preservation Office as required by Section 106 of the National Historic Preservation Act of 1966 and GS 121-12(a). PAYMENT RECEIVED Mr. Steve Lund Page -2 SR 1796, McDowell County June 12, 2003 By copy of this letter, we request Owen Anderson, North Carolina Wildlife Resources Commission Coordinator, to comment directly to the Corps concerning the permit request. By copy of this letter, we are asking Ed Ingle, Area Roadside Environmental Engineer, to comment on the above project. Temporary encroachment into the buffer zone of the UT will not be required. The stream is not classified as trout. A buffer variance will not be required. By copy of this letter, I am forwarding seven (7) copies of the application package to Cynthia Van der Wiele, NC Division of Water Quality, 401/Wetland Unit and an additional copy to Mike Parker, NC DWQ Asheville Regional Office for review and comment. Please charge the application processing fee of $200.00 to WBS element # 13C.059006. Please forward comments directly to the Corps with copy to Division 13 Environmental Officer. Your earliest consideration for this request would be greatly appreciated. If you have any questions or information needs, please contact me at (828) 251-6171. Sincerely, Roger D. Bryan Division 13 Environmental Officer Enclosures cc: J.J. Swain, Jr., P.E. G. R. Spangler L. R. Watkins, P.E. Ed Ingle Owen Anderson Cynthia Van der Wiele Mike Parker Office Use Only: ® ®7 4 2 Form Version April 2001 USACE Action ID No. DWQ No. If any particular item is not applicable to this project, please enter "Not Applicable" or "N/A" rather than leaving the space blank. 1. Processing 1. Check all of the approval(s) requested for this project: X Section 404 Permit ? Section 10 Permit X 401 Water Quality Certification ? Riparian or Watershed Buffer Rules 2. Nationwide, Regional or General Permit Number(s) Requested: NWP 14 3. If this notification is solely a courtesy copy because written approval for the 401 Certification is not required, check here: ? 4. If payment into the North Carolina Wetlands Restoration Program (NCWRP) is proposed for mitigation of impacts (see section VIII - Mitigation), check here: ? II. Applicant Information 1. Owner/Applicant Information Name: NC Department of Transportation Mailing Address: P.O. Box 3279 Asheville NC 28802 Telephone Number: 828-251-6171 Fax Number: 828-251-6394 E-mail Address: rdbryanAdot.state.nc.us 2. Agent Information (A signed and dated copy of the Agent Authorization letter must be attached if the Agent has signatory authority for the owner/applicant.) N/A Name: Company Affiliation: Mailing Address: Telephone Number: Fax Number: E-mail Address: Page 1 of 8 III. Project Information Attach a vicinity map clearly showing the location of the property with respect to local landmarks such as towns, rivers, and roads. Also provide a detailed site plan showing property boundaries and development plans in relation to surrounding properties. Both the vicinity map and site plan must include a scale and north arrow. The specific footprints of all buildings, impervious surfaces, or other facilities must be included. If possible, the maps and plans should include the appropriate USGS Topographic Quad Map and NRCS Soil Survey with the property boundaries outlined. Plan drawings, or other maps may be included at the applicant's discretion, so long as the property is clearly defined. For administrative and distribution purposes, the USACE requires information to be submitted on sheets no larger than 11 by 17-inch format; however, DWQ may accept paperwork of any size. DWQ prefers full-size construction drawings rather than a sequential sheet version of the full-size plans. If full-size plans are reduced to a small scale such that the final version is illegible, the applicant will be informed that the project has been placed on hold until decipherable maps are provided. 1. Name of project: SR 1796 Marlow Loop Road 2. T.I.P. or State Project Number (NCDOT Only): 13C.059006 3. Property Identification Number (Tax PIN): N/A 4. Location County: McDowell Nearest Town: Marion Subdivision name (include phase/lot number): Directions to site (include road numbers, landmars, etc.): SR1796 is located off of NC 226 approximately 3 miles south of I-40 (Exit 86). 5. Site coordinates, if available (UTM or Lat/Long): 35 38'02"N 81 56'59"W (Note - If project is linear, such as a road or utility line, attach a sheet that separately lists the coordinates for each crossing of a distinct waterbody.) 6. Describe the existing land use or condition of the site at the time of this application: Existing secondary road 7. Property size (acres): 4.3 Nearest body of water (stream/river/sound/ocean/lake): UT to North Muddy Creek (Class C) 9. River Basin: Catawba (Note - this must be one of North Carolina's seventeen designated major river basins. The River Basin map is available at http://h2o.enr.state.nc.us/admin/maps/.) Page 2 of 8 10. Describe the purpose of the proposed work: We propose to grade, drain, base, pave and install erosion control measures for SR 1796 (Marlow Loop Road). We propose to extend one existing culvert on an UT to North Muddy Creek. Total stream impacts will be 20 linear feet. The culverts will be installed to insure aquatic life passage within the streams. 11. List the type of equipment to be used to construct the project: Excavator, backhoe, and trucks. 12. Describe the land use in the vicinity of this project: Rural, nursery, and wooded. IV. Prior Project History If jurisdictional determinations and/or permits have been requested and/or obtained for this project (including all prior phases of the same subdivision) in the past, please explain. Include the USACE Action ID Number, DWQ Project Number, application date, and date permits and certifications were issued or withdrawn. Provide photocopies of previously issued permits, certifications or other useful information. Describe previously approved wetland, stream and buffer impacts, along with associated mitigation (where applicable). If this is a NCDOT project, list and describe permits issued for prior segments of the same T.I.P. project, along with construction schedules. V. Future Project Plans Are any additional permit requests anticipated for this project in the future? If so, describe the anticipated work, and provide justification for the exclusion of this work from the current application: No, no future plans. VI. Proposed Impacts to Waters of the United States/Waters of the State It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to wetlands, open water, and stream channels associated with the project. The applicant must also provide justification for these impacts in Section VII below. All proposed impacts, permanent and temporary, must be listed herein, and must be clearly identifiable on an accompanying site plan. All wetlands and waters, and all streams (intermittent and perennial) must be shown on a delineation map, whether or not impacts are proposed to these systems. Wetland and stream evaluation and delineation forms should be included as appropriate. Photographs may be included at the applicant's discretion. If this proposed impact is strictly for wetland or stream mitigation, list and describe the impact in Section VIII below. If additional space is needed for listing or description, please attach a separate sheet. 1. Wetland Impacts Wetland Impact Type of Impact* Area of Located within Distance to Page 3 of 8 Site Number (indicate on ma) Impact (acres) 100-year Floodplain** (es/no) Nearest Stream (linear feet) Type of Wetland*** N/A * List each impact separately and identify temporary impacts. Impacts include, but are not limited to: mechanized clearing, grading, fill, excavation, flooding, ditching/drainage, etc. For dams, separately list impacts due to both structure and flooding. ** 100-Year floodplains are identified through the Federal Emergency Management Agency's (FEMA) Flood Insurance Rate Maps (FIRM), or FEMA-approved local floodplain maps. Maps are available through the FEMA Map Service Center at 1-800-358-9616, or online at http://www.fema.gov. *** List a wetland type that best describes wetland to be impacted (e.g., freshwater/saltwater marsh, forested wetland, beaver pond, Carolina Bay, bog, etc.) List the total acreage (estimated) of existing wetlands on the property: 0.0 Total area of wetland impact proposed: 0.0 2. Stream Impacts, including all intermittent and perennial streams Stream Impact Site Number (indicate on ma Type of Impact* Length of Impact (linear feet Stream Name** Average Width of Stream Before Impact Perennial or Intermittent? leasespecify) 33+60 Culvert 20 UT to N. Muddy Creek 2 P * List each impact separately and identify temporary impacts. Impacts include, but are not limited to: culverts and associated rip-rap, dams (separately list impacts due to both structure and flooding), relocation (include linear feet before and after, and net loss/gain), stabilization activities (cement wall, rip-rap, crib wall, gabions, etc.), excavation, ditching/straightening, etc. If stream relocation is proposed, plans and profiles showing the linear footprint for both the original and relocated streams must be included. ** Stream names can be found on USGS topographic maps. If a stream has no name, list as UT (unnamed tributary) to the nearest downstream named stream into which it flows. USGS maps are available through the USGS at 1-800-358-9616, or online at www.usgs.gov. Several internet sites also allow direct download and printing of USGS maps (e.g., www.topozone.com, www.mapciuest.com, etc.). Cumulative impacts (linear distance in feet) to all streams on site: 20 feet. Page 4 of 8 3. Open Water Impacts, including Lakes, Ponds, Estuaries, Sounds, Atlantic Ocean and any other Water of the U.S. Open Water Impact Site Number (indicate on map) Type of Impact* Area of Impact (acres) Name of Waterbody (if applicable) Type of Waterbody (lake, pond, estuary, sound, bay, ocean, etc.) N/A * List each impact separately and identify temporary impacts. Impacts include, but are not limited to: fill, excavation, dredging, flooding, drainage, bulkheads, etc. 4. Pond Creation - N/A If construction of a pond is proposed, associated wetland and stream impacts should be included above in the wetland and stream impact sections. Also, the proposed pond should be described here and illustrated on any maps included with this application. Pond to be created in (check all that apply): ? uplands ? stream Describe the method of construction (e.g., dam/embankment, excavation, draw-down valve or spillway, etc.): Proposed use or purpose of pond (e.g., livestock watering, irrigation, aesthetic, trout pond, local stormwater requirement, etc.): Size of watershed draining to pond: Expected pond surface area: VII. Impact Justification (Avoidance and Minimization) Specifically describe measures taken to avoid the proposed impacts. It may be useful to provide information related to site constraints such as topography, building ordinances, accessibility, and financial viability of the project. The applicant may attach drawings of alternative, lower-impact site layouts, and explain why these design options were not feasible. Also discuss how impacts were minimized once the desired site plan was developed. If applicable, discuss construction techniques to be followed during construction to reduce impacts. The existiniz secondary road must be improved to meet current safety standards for paved roads. The culvert extension requested is the minimum necessga to establish an appropriate typical section for the roadway. Riparian vegetation will be established on disturbed areas associated with the project construction. VIII. Mitigation - N/A DWQ - In accordance with 15A NCAC 2H .0500, mitigation may be required by the NC Division of Water Quality for projects involving greater than or equal to one acre of impacts to ? wetlands installation of Page 5 of 8 freshwater wetlands or greater than or equal to 150 linear feet of total impacts to perennial streams. USACE - In accordance with the Final Notice of Issuance and Modification of Nationwide Permits, published in the Federal Register on March 9, 2000, mitigation will be required when necessary to ensure that adverse effects to the aquatic environment are minimal. Factors including size and type of proposed impact and function and relative value of the impacted aquatic resource will be considered in determining acceptability of appropriate and practicable mitigation as proposed. Examples of mitigation that may be appropriate and practicable include, but are not limited to: reducing the size of the project; establishing and maintaining wetland and/or upland vegetated buffers to protect open waters such as streams; and replacing losses of aquatic resource functions and values by creating, restoring, enhancing, or preserving similar functions and values, preferable in the same watershed. If mitigation is required for this project, a copy of the mitigation plan must be attached in order for USACE or DWQ to consider the application complete for processing. Any application lacking a required mitigation plan or NCWRP concurrence shall be placed on hold as incomplete. An applicant may also choose to review the current guidelines for stream restoration in DWQ's Draft Technical Guide for Stream Work in North Carolina, available at http://h2o.enr.state.nc.us/ncwetlands/str-ngide.html. 1. Provide a brief description of the proposed mitigation plan. The description should provide as much information as possible, including, but not limited to: site location (attach directions and/or map, if offsite), affected stream and river basin, type and amount (acreage/linear feet) of mitigation proposed (restoration, enhancement, creation, or preservation), a plan view, preservation mechanism (e.g., deed restrictions, conservation easement, etc.), and a description of the current site conditions and proposed method of construction. Please attach a separate sheet if more space is needed. N/A 2. Mitigation may also be made by payment into the North Carolina Wetlands Restoration Program (NCWRP) with the NCWRP's written agreement. Check the box indicating that you would like to pay into the NCWRP. Please note that payment into the NCWRP must be reviewed and approved before it can be used to satisfy mitigation requirements. Applicants will be notified early in the review process by the 401/Wetlands Unit if payment into the NCWRP is available as an option. For additional information regarding the application process for the NCWRP, check the NCWRP website at http:/,•'"h2o.enr.state.nc.usiwtp/index.htni. If use of the NCWRP is proposed, please check the appropriate box on page three and provide the following information: Amount of stream mitigation requested (linear feet): Amount of buffer mitigation requested (square feet): Amount of Riparian wetland mitigation requested (acres): Amount of Non-riparian wetland mitigation requested (acres): Amount of Coastal wetland mitigation requested (acres): Page 6 of 8 IX. Environmental Documentation (DWQ Only) Does the project involve an expenditure of public funds or the use of public (federal/state/local) land? Yes X No ? X. If yes, does the project require preparation of an environmental document pursuant to the requirements of the National or North Carolina Environmental Policy Act (NEPA/SEPA)? Note: If you are not sure whether a NEPA/SEPA document is required, call the SEPA coordinator at (919) 733-5083 to review current thresholds for environmental documentation. Yes ? No X If yes, has the document review been finalized by the State Clearinghouse? If so, please attach a copy of the NEPA or SEPA final approval letter. Yes ? No ? Proposed Impacts on Riparian and Watershed Buffers (DWQ Only) - N/A It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to required state and local buffers associated with the project. The applicant must also provide justification for these impacts in Section VII above. All proposed impacts must be listed herein, and must be clearly identifiable on the accompanying site plan. All buffers must be shown on a map, whether or not impacts are proposed to the buffers. Correspondence from the DWQ Regional Office may be included as appropriate. Photographs may also be included at the applicant's discretion. Will the project impact protected riparian buffers identified within 15A NCAC 2B .0233 (Meuse), 15A NCAC 2B .0259 (Tar-Pamlico), 15A NCAC 2B .0250 (Randleman Rules and Water Supply Buffer Requirements), or other (please identify, )? Yes ? No X If you answered "yes", provide the following information: Identify the square feet and acreage of impact to each zone of the riparian buffers. If buffer mitigation is required calculate the required amount of mitigation by applying the buffer multipliers. Zone* Impact (square feet) Multiplier Required Mitigation 1 3 2 1.5 Total * Zone 1 extends out 30 feet perpendicular from near bank of channel; Zone 2 extends an additional 20 feet from the edge of Zone 1. If buffer mitigation is required, please discuss what type of mitigation is proposed (i.e., Donation of Property, Conservation Easement, Riparian Buffer Restoration / Enhancement, Preservation or Page 7 of 8 Payment into the Riparian Buffer Restoration Fund). Please attach all appropriate information as identified within 15A NCAC 2B .0242 or.0260. XI. Stormwater (DWQ Only) Describe impervious acreage (both existing and proposed) versus total acreage on the site. Discuss stormwater controls proposed in order to protect surface waters and wetlands downstream from the property. The existing compacted gravel roadway acts as an impervious surface. Paving of the roadway should eliminate sedimentation from fines associated with gravel surface treatment. The roadway surface will be 40% of right of way acreage. Stormwater will be diverted through settling basins or grass lined buffers prior to entering the streams. XII. Sewage Disposal (DWQ Only)- N/A XIII. Violations (DWQ Only) Is this site in violation of DWQ Wetland Rules (15A NCAC 2H.0500) or any Buffer Rules? Yes ? No X Is this an after-the-fact permit application? Yes ? No X XIV. Other Circumstances (Optional): It is the applicant's responsibility to submit the application sufficiently in advance of desired construction dates to allow processing time for these permits. However, an applicant may choose to list constraints associated with construction or sequencing that may impose limits on work schedules (e.g., draw-down schedules for lakes, dates associated with Endangered and Threatened Species, accessibility problems, or other issues outside of the applicant's control). With regard to hazardous spill basins, the road is not classified as an arterial route, therefore hazardous spill basins are not required. 6112 Applc int/Agent's $' nature / DIXe (Agent's signature is valid only if an authorization letter from the applicant is provided. Page 8 of 8 x N r J ; r o s? ky pa?s`? °14 (G?cnW000^) :z5 '16 Vicinity Map: SR 1796, Marlow Loop Road, McDowell County, NC (Marion East Quadrangle, Scale 1:24000). b o > x Q ? ? o W 3 Z w x ? O ¢ Q ? U ? w? 3 a-------- b- -- ------ --- ----- -- -- > V1 C7 ? ? a a U w Q x ? O M ¢ I ( + O CD ? z E a " w 0 D W au O M ? a d ? o ~ ?) w 3 a U ? z Q Figure 1. SR 1796, Marlow Loop Road, McDowell County, NC SHEET 1 OF 23 COUNTY: Mc Dowell TOWNSHIP: Higgins / Glenwood PROJECT: SR. 1796, Marlow Loop Rd. LENGTH: 6,113.66 feet, 1.16 miles WORK TYPE: grade, drain, base, pave, erosion control RURAL PRIORITY M 1 F LOCATION: From SR 1796, 0.18 miles from SR 1797, SUBD/RESID. PRIORITY M _ thence for 1.16 miles to SR 1794 RM WORK ORDER NO: C. MONO CONSTRUCTION W. 0. NO. DATE: 7/9/01 SCALE: V=50' DRAWN BY: D.G.M. 1. Assigned right of way agent needs to verify all property owners. Property owners shown on the straight line diagram are taken from tax maps only. 2. Fences to be moved off the right of way and reset off right of way by the Department of Transportation crews. Any new materials, posts, wire, etc.. to be supplied by the property owner. 3. Existing asphalt or concrete drives to be tied in with asphalt if the existing driveway is within 20 feet of proposed centerline. See any exceptions on straight line diagram. 4. Driveway pipes to be furnished and installed as needed by Department of Transportation crews in existing driveways. _-- 5. Existing water lines, sewer lines, drain lines, etc., under road project to be adjusted by Department of Transportation as needed during construction. Property owners to supply all materials and release Department of Transportation from any liability. 6. Underground utility lines to be located by owner. Lines to be adjusted by owner as needed, otherwise retain. 7. Note proposed right of way markers shown on straight line diagram. 8. Please inform property owners that cuts and fills could exceed proposed right of way. 9. The erosion plan should be used for erosion control purposes only. r O S ?' 0 p ,? 4T p d- SR. 1795, MARLOW LOOP RD. SHEET-2-OF 23 MCDOWELL COUNTY TYPICAL SECTION W 50' R/W E A. FILL SLOPE 1:1 ABC COMPACTED B. SHOULDER SLOPE 1' PER FT. ABC • LOOSE C. DITCH SLOPE 4 :1 TONS (DRIVES) BY STONE D. CUT SLOPE 1?:1 TONS (INTERS.) TONS (ROAD) TONS (TOTAL) 1 7' Q' Q' 4' 4'. 1 te f r . ' SHE ET 3 OF 2 3 FULL SUPERELEVATION FULL SUPERELEVATION ' SECTION - EE 2/3 SUPERELEVATION 2/3 SUPERELEVATION P. C. OR P. T. SECTION DD SUPERELEVATION = NORMAL CROWN NORMAL CROWN 11 SECTION - CC LEVEL NORMAL CROWN 14 n SECTION - BB NORMAL CROWN 7NORMAL CROWN SECTION - AA STANDARD METHOD FOR OBTAINING SUPERELEVATION 2 LANE PAVEMENTS Ideally, 2/3 of superelevation is obtained at P. C. or P. T. as shown on Section - 00 Example: if maximum superelevation is +.06 -.06, the superelevation at the point of curve or point of tangent is +.04 -.04 .06 X 2/3 = .04 Superelevation for 18' Pavement .02 0.4' E.P. to E.P. .04 0.7' E.P. to E.P. .06 1.1' E.P. to' E.P. .08 1.4' E.P. to E.P. Normal Crown - 0.2 Sheet 4 of 23 EROSION CONTROL PLAN SHEET Generally, the order of installation of the erosion control measures will be as follows: Temporary silt basins shall be installed before clearing and grubbing begins. Silt fences and temporarysilt ditches shall be installed after clearing and before grading. Temporary stone ditch checks shall be installed as soon as ditch line is established. ti Pipe outlet and inlet protection will be done as soon as the pipe is installed. Seeding and other permanent erosion control measures are to be implemented as soon as practical. Temporary rock silt checks (type B) will be spaced as required by percent of grade as described on page VI-16 in the Erosion And Sedimentation Guidelines. No. 5 stone, or equivalent, will be used in conjunction with temporary rock silt check Type-B in locations where water is leaving the project or entering a pipe. Silt basin size is 9'x3'x2' for 75 feet of disturbed ditch line unless otherwise noted. Silt basin (Type B) are designed for 1200 cubic feet per acre every storm event and cleaned out when half full. Per permit conditions for Corps of Engineers and the Wildlife Resources Commission, all pipes in streams must be buried 12" below streambed elevation. , Sheet 5 of 23 PIPE INSTALLATION NOTES 1) Install erosion control devices. In streams, where necessary, rock silt screen will be used. 2) Remove material and existing pipe while limiting, as much as possible, • material and sediment from entering the stream and/or escaping from project. 3) Prepare pipe foundation while again taking,care to limit, as much as possible material and sediment from entering the stream and/or escaping from project. Where possible, new grade will be below existing streambed. If needed, bedding material will be clean stone. 4) Place the new pipe and compact backfill. 5) Install slope protection on outlet and inlet ends of pipe. Also complete installation of erosion control measures and perform maintenance as needed on existing measures. 6) Establish permanent vegetation as soon as possible. DESIGN FOR SILT BASIN SHEET 6 OF 23 1200 CUBIC FEET PER ACRE CHECKED EVERY STORM EVENT AND CLEANED OUT WHEN HALF FULL NOT TO SCALE 9 ?- / 2' SILT BASIN - 1 LENGTH OF DISTURBED AREA 75' t S. B. 7 ) >--- :>- SILT BASIN - 2 (S. B. 14 ) ro? ? > 2' SILT BASIN - 3 tS.B.21 ) 6 2' }- LENGTH OF DISTURBED AREA 200' r LENGTH OF DISTURBED AREA 300' 7 SILT BASIN - 4 LENGTH OF DISTURBED AREA 400' ( S. B. 28 ) SHEET 7 OF 23 EROSION CONTROI_ DETAILS AND SPECIFICATIONS Std. # Dpscript ion Stjmhol 245.03 Temporary Silt Ditch -TSO - 245.05 Temporary Diversion -> TO -> - 893.01 Temporary Silt Fence W i 890.05 Temporary Slope Drain with' Earth Berm T '- '- 245.01 Silt Basin Type A -0 245.02 Silt Basin Type B " 892.04 Temporary Rock Silt Check Type - A _ 895.10 Temporary Rock Silt.Check Type - B 892.01 Temporary Rock Sediment Dam Type - A - 892.02 Temporary Rock Sediment Dam Type - B -: 897 01 Rock Pipe Inlet Protection - o(a O - . 894 01 Rock Silt Screen °O° . 245 04 Stilling Basin . Rock Inlet Protection 000000 896.01 Type A A o Q ° 0 - OR - A °°°°°° 000°°0 OFI ° ° 896.02 Type B B - OR - B 896.03 Type C °°°°°° 000°°0 C goo - OR ° ° - C 000000 SHEET 8 OF 23 ROCK SILT CHECKS - OUTLET OF PIPE (WIDTH OF ROCK AT THE OUTLET END 70 Bt 3 TIMES THE DIAMETER OF THE PIPE AND TAPERED INTO EXISTING DITCH) MS,. Txarai?u+= 18' CSP RR 18 M?° ? ?- EXISTING DITCH _ • _ ' 24' CSP RR 24 8'- EXISTING DITCH 7.5' 30' CSP RR 30 EXISTING DITCH 9' tt? 36' CSP RR 36 MAN. EXISTING DITCH 10.5' 42' CSP RR 42 MIN,. EXISTING DITCH 12' 48' CSP RR 48 12+69 P.P. 33'LT. (OK) 12+69 PED 32'LT. (OK) 3 DAVID HANEY (ETAU ° O OB. 607. PG. 904. ' 2000 w N 1932 OLD GLENWOOD RD. o a 0 MARION. NC. 28752 a 10' SOIL' ENTR. 10+11 P.P. 29'LT. (OK) MCDOWELL COUNTY SR.1796 MARLOW LOOP RD. SHEET 9 OF 23 13 12 DB. 607. PG. 904. ' 2000 1932 OLD GLENWOOD RD. MARION. NC. 28752 O DAVID HANEY (ETAL) I +4 GUY WIRE 16'RT. 10+38 P.P. 17'RT. C?. II 1 + PED 17'RT. 10 BEGIN PROJECT STA. 10±00.00 IL SR. 1796 BEGIN PROPOSED 25' R/W LT. & RT. 0' tp T, i II x i , i-i 1 1. MqT Cy ,I/V ST '?• ?0 ?l 8 5, C, 25'1 125 c NOTE: PER PERMIT CONDITIONS FOR CORPS & WILDLIFE, ALL PIPES IN STREAMS MUST BE BURIED 12• DEEP. STA,11+50 MATCH LINE MCOOWELL COUNTY SR. 1796 MARLOW LOOP R0. SHEET 10 OF 23 17 16 O DAVID HANEY (ETAL) OB. 607, PG. 904, ' 2000 1932 OLD GLENWOOD R0. MARION, NC. 28752 O DAVID HANEY (ETAL) OB. 607. PG. 904, ' 2000 1932 OLD GLENWOOD RD. MARION. NC. 28752 15 14 EXISTING 30' X 18' RCP L.nvc J I A. 13+50 f ? t t MATCH LINE STA. 21+50 3 I I DAVID HANEY (ETAL) 25' 25' N O DB. 607. PG. 904.'2000 C o v 1932 OLD GLENWOOD RD. 0 ( ? MARION. NC. 28752 CL I I MCDOWELL COUNTY SR. 1796 MARLOW LOOP RD. SHEET 11 OF 23 21 EXISTING 30' X 36' PIPE +11 PED 21'RT. 20 O DAVID HANEY (ETAL) DB. 607. PG. 904, ' 2000 1932 OLD GLENWOOD RD. MARION. NC. 28752 19 18+52 PED 19'LT. v J 0 P ?I EXISTING WATER T/0 RT. 18 MATCH LINE STA. 17+50 CD DAVID HANEY (ETAL) OB. 607. PG. 904.'2000 1932 OLD GLENWOOD RD. MARION. NC. 28752 22+42 PED 23'LT. J MATCH LINE STA. 25+50 I ?o cjzcs r J o I N I I I cr O W 25' 25' N o v 0O a I I l II II 11 11 KDOWELL COUNTY SR. 1796 MARLOW LOOP RD. SHEET 12 OF 23 25 24 O DAVID HANEY (ETAL) DB. 607. PG. 904. ' 2000 1932 OLD GLENWOOD RD. MARION. NC. 28752 23 EXISTING 30' X 36' PIPE 22 50 ',?- Ut4E 5 MATCH X 29+40 MCDOWELL COUNTY SR. 1796 MARLOW LOOP RD. > SHEET 13 OF 23 MA T CH UNC PED © STA. 29+50 EXISTING 30' X 18' CSP, O CARTHA COX O'KEEFE 08.523. PG. 31. ' 96 106 DUMPLE LANE MARION. NC. 28752 (828) 659 - 2682 ' DAVID HANEY (ETAL) O DB. 607, PG. 904. ' 2000 1932 OLO.GLENW00D R0. MARION. NC. 28752 v? ?l 1 ?z I? ?I I? in - 251- 25' 0 ? I n g I ? ?I ?I ?I 11 ?? O 29 28 © DAVID HANEY (ETAL) OB. 607, PG. 904. ' 2000 1932 OLD GLENWOOD RD. MARION, NC. 28752 ?01 .m INE ST A. 25+5D MATCH 27 26 ` ••' r MCOOWELL COUNTY SR. 1796 MARLOW LOOP RD. SHEET 14 OF 23 3x5 3 sti P-?GN M 33 EXISTING WATER I I l T/0 RT. I 32 O CARTHA COX 0' KEEFE ?? 25' 25' y O CARTHA COX 0' KEEFE DB. 523. PC. 31,'96 n° o OB. 523. PC. 31. ' 96 106 OUMPLE.LANE a 106 DUMPLE LANE MARION. NC. 28752 I IE MARION. NC. 28752 (828) 659 - 2682 (828.k659 - 2682 31 . a J 0% ' 30 MA T CH L ENE STA. 29+50 _ CT A 17+50 O CARTHA COX O'KEEFE OB. 523. PG. 31. ' 96 . 106 OUMPLE LANE MARION, NC. 28752 (828) 659 - 2682 MCDOWELL COUNTY SR. 1796 MARLOW LOOP R0. SHEET 15 OF 23- O CARTHA COX O'KEEFE DB. 523. PG. 31. ' 96, 106 DUMPLE LANE MARION. NC. 28752 (828) 659 - 2682 34+79 " P.P. 28' T. O CARTHA COX O'KEEFE DB. 523. PG. 31,'96 106 OUMPLE LANE MARION. NC. 28752 (828) 659 - 2682 Mq T cH C1NE 0-1- 0 /A. 91+ Sp 3 W O o o. l? Ij .II=I MATCH LINE ST A. 37+50 MCDOWELL COUNTY SR. 1796 MARLOW LOOP RD. SHEET 16 OF 23 41 40 O CARTHA COX O'KEEFE DB. 523. PG. 31. '96 106 DUMPLE LANE MARION. NC. 28752 (828) 659 - 2682 39 38 SA4 le. SOIL ENT1Z 3 w ti O O Q l O Z ?Z a .y D 6+ O 4 4 4* 1 ?I CARTHA COX O' KEEFE \. O D8.523. PG. 31. ' 96 \ MCDOWELL COUNTY SR. 1796 MARLOW LOOP RD. SHEET 17 OF 23 46. 45 EXISTING 30' X 18' CSP 44 0 CARTHA COX O'KEEFE DB. 523. PG. 31. ' 96 106 DUMPLE LANE MARION. NC. 28752 (828) 659 - 2682 106 DUMPLE LANE MARION. NC. 28752 (828) 659 - 2682 ?. 5 /ho 6 P' 43 42 ?P r O CARTHA COX O'KEEFE OB. 523. PG. 31. ' 96 106 DUMPLE LANE MARION. NC. 28752 (828) 659 - 2682 LINE ST A• 5 MATCH i i ii ii WO 25'1 25' v) (A C) rn CAI o?l?ll II ?A.46.sa Mp7 GH SINE S MCOOWELL COUNTY SR. 17% MARLOW LOOP R0. SHEET 18 OF 23 50 49 EXISTING 24' X 18• CSP 48 O CARTHA COX O'KEEFE DB. 523. PG. 31. ' 96 106 OUMPLE LANE MARION. NC. 28752 (828) 659 '- 2682 47 (Q) Q) x e& CARTHA COX O'KEEFE OB. 523. PG. 31. ' 96 MCOOWELL COUNTY SR. 1796 MARLOW LOOP RD. SHEET 19 \\\ EXISTING 1 , 0 z O ? 25. 25 " ? I o I O ? ` N I wo OF 23? 30' X 18' CSP 4s 55 54 53 52 / O CARTHA COX O'KEEFE / DB. 523. PG. 31. ' 96 / 106 DUMPLE LANE MARION. NC. 28752 / (828) 659 2682 51 MCDOWELL COUNTY SR. 1796 MARLOW LOOP RD. SHEET 20 OF 23 59• (D. 58 57+45 E.I.P. 34'LT. O CARTHA COX O'KEEFE OB. 523. PG. 31. ' 96 0 106 DUMPLE LANE 0 MARION. NC. 28752 p (828) 659 - 2682 a i END ABANDONMENT u 1 STA. 55+92 670' ABAND. 57 JEFF BENFIELD O OB. 712. PG. 690 459 COLE HOLLOW RD. NEWLAND. NC. 28657 X MATCH LINE .STA. 55+00 56 55 MATCH LINE STA. 59+00 N I Tcti 20' SOIL ENTR. Noxo y 3 O •? W 25' 25' c V) V1 •o m a. v 0 O JEFF BENFIELD OB. 712. PC. 690 459 COLE HOLLOW RD. NEWLAND,NC.28657 t i MCOOWELL COUNTY SR. 1796 MARLOW LOOP RD. SHEET 21 OF 23 63 62 EXISTING 22'X 18' CSP 61 O JEFF BENFIELD OB. 712. PC. 690 459 COLE HOLLOW R0. NEWLANO, NC. 28657 \ \ ?9Xp0 P?GN M 60 59 O ? Q T ? J v ?C? ?Q 3 JEFF BENFIELO o 3 DB. 712. PG. 690 t 25, 459 COLE HOLLOW RD. Q. NEWLAND. NC. 28657 Q ' MCDOWELL COUNTY SR. 1796 MARLOW LOOP R0. .4y SHEET 22 OF 23 67 STA.66±57 AHEAD STA.67+38 BACK INI .?, 67 66 65 O JEFF BENFIELD 06. 712. PG. 690 459 COLE HOLLOW RD. NEWLAND. NC. 28657 64 25• ob 0 I ? 63+°° 63 PPl0A LAN END PROJECT STA. 71+13.66 CSR. 1796 END PROPOSED 25' R/W LT. & RT. 97 Ml. TO M/a SR' 1766 N 0 MCDOWELL COUNTY SR. 1796 MARLOW LOOP RD. SHEET 23 OF 23 I EXISTING 60'X 24' CSP SR, 17q 18'r_? _4 I z 251 ' STA 70+14 END PROP. 25 R/W LT. i STA R/W 70+14 END PROP. 25 RT. BEGIN EXIST 25 R/W LT BEGIN EXIST. 25' R/W RT. . . 70 ii i; i ! ce I ? I . ' Z 1 69 0 25 1 0 ° 3 JEFF BENFIELD O a 1 ` ?1 O JEFF BENFIELD DB. 712. PG. 690 DB. 712, PG. 690 459 COLE HOLLOW RD. 459 COLE HOLLOW RD. NEWLAND; NC. 28657 ` NEWLAND. NC. 28657 11 1 ,1 EXISTING 40'X 24' CSP 68 c , , 1 +00 67 c? A ?r 1 i 'oe •a?e? 1605 ,.7y \ ltfr _r I I ..? '. 1736 e3 ?? \ I _??? ? 9 1736 X I I I \ 1735 \ 1806 1 l// I / \ \ \ 06 ',701 •? 1v. 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